CVE-2020-6988: High severity rockwellautomation Micrologix 1400 A Firmware vulnerability

Published Mar 16, 2020
·
Updated

Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior, A remote, unauthenticated attacker can send a request from the RSLogix 500 software to the victim’s MicroLogix controller. The controller will then respond to the client with used password values to authenticate the user on the client-side. This method of authentication may allow an attacker to bypass authentication altogether, disclose sensitive information, or leak credentials.

Affected Software

11 affected components
rockwellautomation Micrologix 1400 A Firmware
rockwellautomation Micrologix 1400 B Firmware<=21.001
rockwellautomation Micrologix 1400
rockwellautomation Micrologix 1100 Firmware
rockwellautomation Micrologix 1100
rockwellautomation Rslogix 500<=12.001
All of the following
Any of the following
rockwellautomation Micrologix 1400 A Firmware
rockwellautomation Micrologix 1400 B Firmware<=21.001
rockwellautomation Micrologix 1400
All of the following
rockwellautomation Micrologix 1100 Firmware
rockwellautomation Micrologix 1100

Event History

Mar 16, 2020
CVE Published
via MITRE·03:38 PM
Data Sourced
via MITRE·03:38 PM
DescriptionWeakness
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2020-6988.

2

What is the severity of CVE-2020-6988?

The severity of CVE-2020-6988 is high, with a severity value of 7.5.

3

What is the affected software of CVE-2020-6988?

The affected software of CVE-2020-6988 includes Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, and RSLogix 500 Software v12.001 and prior.

4

Is Rockwellautomation Micrologix 1400 A Firmware vulnerable to CVE-2020-6988?

Yes, Rockwellautomation Micrologix 1400 A Firmware is vulnerable to CVE-2020-6988.

5

How can I fix CVE-2020-6988?

To fix CVE-2020-6988, it is recommended to apply the necessary patches and updates provided by Rockwell Automation.

Contact

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